Comparison
13 Apr 2026
Epoxy Polyester vs Pure Polyester: Which is Right for You?
The most common question from manufacturers: which powder type do I need? The answer depends entirely on the application environment.
Epoxy Polyester ? Indoor Champion
Excellent mechanical strength, corrosion resistance, and decorative versatility. The world?s most widely used powder type. Warning: UV exposure causes chalking. Never use outdoors.
Pure Polyester ? Outdoor Specialist
UV-stable resin system with class-leading chalking resistance and colour retention after years of exterior exposure. Mandatory for architectural aluminium, garden furniture, and outdoor structures.
| Property | Epoxy Polyester | Pure Polyester |
|---|---|---|
| UV Resistance | Poor (chalks outdoors) | Excellent ? Class 3 |
| Corrosion | Excellent | Good |
| Cost | Lower | Slightly higher |
| Use | Indoor only | Indoor & Outdoor |